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MONITORING AND REPORTING PROGRAM NO. R5-2014-0006 24 FORWARD INC.AND REPUBLIC SERVICES INC. FORWARD CLASS II LANDFILL SAN JOAQUIN COUNTY is TABLE II UNSATURATED ZONE DETECTION MONITORING PROGRAM PAN LYSIMETERS2 (or other vadose zone monitoring device) Sampling Reporting Parameter Units Frequency Frequency Field Parameters Electrical Conductivity umhos/cm Quarterly Quarterly pH pH units Quarterly Quarterly Volume of liquid removed gallons Monthly Quarterly Monitoring Parameters Total Dissolved Solids (TDS) mg/L Quarterly Quarterly Chloride mg/L Quarterly Quarterly Carbonate mg/L Quarterly Quarterly Bicarbonate mg/L Quarterly Quarterly Nitrate - Nitrogen mg/L Quarterly Quarterly Sulfate mg/L Quarterly Quarterly Calcium mg/L Quarterly Quarterly Magnesium mg/L Quarterly Quarterly Potassium mg/L Quarterly Quarterly Sodium mg/L Quarterly Quarterly Volatile Organic Compounds ug/L Quarterly Quarterly (USEPA Method 8260B, short list, see Table V) 5-Year Constituents of Concern (see Table VIII) Total Organic Carbon mg/L 5 years First quarter 2013 Inorganics (dissolved) ug/L 5 years and alternating Volatile Organic Compounds ug/L 5 years between 15`and 3rd (USEPA Method 8260B, extended list) quarters every 5 Semi-Volatile Organic Compounds ug/L 5 years years thereafter (USEPA Method 8270D) Chlorophenoxy Herbicides ug/L 5 years " (USEPA Method 8151A) Organophosphorus Compounds ug/L 5 years " (USEPA Method 8141B) 1 Soil-pore gas samples collected from landfill gas probes are only subject to the VOC (USEPA Method TO-14) 2 and methane sampling (not the other parameters listed for pan lysimeters). Pan lysimeters shall be inspected for the presence of liquid quarterly. If liquid is detected in a previously dry pan lysimeter, the Discharger shall verbally notify Central Valley Water Board staff within seven days and shall immediately sample and test the liquid for Field and Monitoring Parameters listed in Table Il.